Adjust John Deere 750 & 1850 Grain Drills Depth Using Only One Hand and One Wrench.
The Unique design of the new One Wrench allows you to adjust the depth of the John Deere 750 & 1850 grain drills with only one hand in one quick motion. The design incorporates several pads that are used to depress the locking pin of the adjusting plate. Upon releasing the locking pin you can adjust the grain drill to the desired depth. Patent Pending.